HDFS-7805. NameNode recovery prompt should be printed on console (Surendra Singh Lilhore via Colin P. McCabe)

(cherry picked from commit faaddb6ecb44cdc9ef82a2ab392f64fc2561e938)

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -711,6 +711,9 @@ Release 2.7.0 - UNRELEASED
 
     HDFS-7807. libhdfs htable.c: fix htable resizing, add unit test (cmccabe)
 
+    HDFS-7805. NameNode recovery prompt should be printed on console (Surendra
+    Singh Lilhore via Colin P. McCabe)
+
     BREAKDOWN OF HDFS-7584 SUBTASKS AND RELATED JIRAS
 
       HDFS-7720. Quota by Storage Type API, tools and ClientNameNode

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/MetaRecoveryContext.java

@@ -61,9 +61,9 @@ public final class MetaRecoveryContext  {
   public String ask(String prompt, String firstChoice, String... choices) 
       throws IOException {
     while (true) {
-      LOG.info(prompt);
+      System.err.print(prompt);
       if (force > FORCE_NONE) {
-        LOG.info("automatically choosing " + firstChoice);
+        System.out.println("automatically choosing " + firstChoice);
         return firstChoice;
       }
       StringBuilder responseBuilder = new StringBuilder();
@@ -82,7 +82,7 @@ public final class MetaRecoveryContext  {
           return c;
         }
       }
-      LOG.error("I'm sorry, I cannot understand your response.\n");
+      System.err.print("I'm sorry, I cannot understand your response.\n");
     }
   }